condition mean min max 4 h after light 10.828137 10.040595 11.615679 8 h after light 11.337765999999998 10.733849 11.941683 12 h after light 9.301521999999999 9.14209 9.460954 4 h after dark 11.347646000000001 10.890249 11.805043 8 h after dark 11.3073055 10.76431 11.850301 12 h after dark 10.851488 10.851488 10.851488